What is difference between array and arraylist in java?
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what is use of session tracking ?with example?
Java Compiler is stored in JDK, JRE or JVM?
How does a cookie work in Servlets?
Why java is platform independent? Explain.
How do you sort in java?
Q) I have a ArrayList object, in that object i have added 5 integer values, 5 float values, 5 string values. Now question is how can delete particular type of data ( i.e all int values or all float values or string values) in that list object at a time?
What modifiers are allowed for methods in an interface?
What is meant by singleton class?
How a class can implement an interface?
what is thread in Java ?
What is actual difference between statement,prepared statement and callable statement and when we have to use it? pls post a answer with code and clear explanation. thanks
Distinguish method overloading and method overriding